Morgan Barrett’s Reviews > A Short History of Nearly Everything > Status Update

“under drakes equation, you divide the # of stars in a selected portion of the universe by the # of stars that are likely to have planetary systems. divide that by the # of planetary systems that could theoretically support life. divide that by the # of which life, having arisen, advances to a state of intelligence, & so on. at each division, the # shrinks… yet even with the most conservative inputs, the # of